Senior C#/.NET Developer

NexgenLink (formerly Astro Sirens) is seeking an experienced Senior C# / .NET Developer to design, build, and maintain scalable enterprise applications and backend services that support critical business operations. This role requires strong expertise in C# development, modern .NET frameworks, cloud technologies, and distributed systems.

The ideal candidate will work closely with product, engineering, and cross-functional stakeholders to deliver secure, high-quality, and maintainable software solutions in a fast-paced environment.

This position is well suited for a hands-on engineer who is comfortable developing robust microservices, building scalable APIs, optimizing system performance, and contributing to architecture and technical design decisions. The successful candidate will bring strong problem-solving skills, sound engineering judgment, and the ability to collaborate effectively with both technical and non-technical teams while working remotely within U.S. time zones.

Bachelor’s degree in Computer Science, Software Engineering, or a related technical field
Minimum 5 years of professional experience in C# / .NET software development
Strong proficiency in C# and object-oriented programming principles
Hands-on experience with .NET Core / .NET 6+, ASP.NET Core, and Entity Framework (EF Core)
Strong experience designing and developing RESTful APIs, backend services, and microservices-based applications
Proficiency in SQL and experience working with relational databases such as PostgreSQL, MySQL, SQL Server, or Oracle
Experience working with cloud platforms such as AWS, Microsoft Azure, or Google Cloud Platform
Experience with containerization and orchestration technologies such as Docker and Kubernetes
Familiarity with messaging and streaming technologies such as Kafka, RabbitMQ, or Azure Service Bus
Strong understanding of software design patterns, multithreading, performance optimization, and distributed systems concepts
Experience supporting CI/CD pipelines, automated testing, and modern software delivery practices
Strong written and verbal communication skills in English, with the ability to communicate effectively with technical and non-technical stakeholders
Demonstrated ability to work successfully in a remote environment while aligned with U.S. time zones
Competitive compensation
Flexible remote work aligned with U.S. time zones
Opportunity to work on high-impact platforms and mission-critical applications
Collaborative, technically strong, and growth-oriented engineering environment
Long-term career growth and professional development opportunities

Details

Location

Philippines Sri Lanka Nepal Vietnam Egypt

Experience

Min. 5 years

The ideal candidate will work closely with product, engineering, and cross-functional stakeholders to deliver secure, high-quality, and maintainable software solutions in a fast-paced environment.

Bachelor’s degree in Computer Science, Software Engineering, or a related technical field
Minimum 5 years of professional experience in C# / .NET software development
Strong proficiency in C# and object-oriented programming principles
Hands-on experience with .NET Core / .NET 6+, ASP.NET Core, and Entity Framework (EF Core)
Strong experience designing and developing RESTful APIs, backend services, and microservices-based applications
Proficiency in SQL and experience working with relational databases such as PostgreSQL, MySQL, SQL Server, or Oracle
Experience working with cloud platforms such as AWS, Microsoft Azure, or Google Cloud Platform
Experience with containerization and orchestration technologies such as Docker and Kubernetes
Familiarity with messaging and streaming technologies such as Kafka, RabbitMQ, or Azure Service Bus
Strong understanding of software design patterns, multithreading, performance optimization, and distributed systems concepts
Experience supporting CI/CD pipelines, automated testing, and modern software delivery practices
Strong written and verbal communication skills in English, with the ability to communicate effectively with technical and non-technical stakeholders
Demonstrated ability to work successfully in a remote environment while aligned with U.S. time zones
Competitive compensation
Flexible remote work aligned with U.S. time zones
Opportunity to work on high-impact platforms and mission-critical applications
Collaborative, technically strong, and growth-oriented engineering environment
Long-term career growth and professional development opportunities